| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // run-pass |
| #![allow(stable_features)] |
| |
| // ignore-emscripten no threads support |
| |
| #![feature(std_panic)] |
| |
| use std::sync::atomic::{AtomicUsize, Ordering}; |
| use std::panic; |
| use std::thread; |
| |
| static A: AtomicUsize = AtomicUsize::new(0); |
| static B: AtomicUsize = AtomicUsize::new(0); |
| |
| fn main() { |
| panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); })); |
| let hook = panic::take_hook(); |
| panic::set_hook(Box::new(move |info| { |
| B.fetch_add(1, Ordering::SeqCst); |
| hook(info); |
| })); |
| |
| let _ = thread::spawn(|| { |
| panic!(); |
| }).join(); |
| |
| assert_eq!(1, A.load(Ordering::SeqCst)); |
| assert_eq!(1, B.load(Ordering::SeqCst)); |
| } |